DIR_A 1) Go in to DIR_A 2) Sort files to make all the files between ".doc", "_fast.txt" and "_slow.txt" the same. (e.g: file1.doc = file1_fast.txt = file1_slow.txt) 3) Open the files one by one 4) Extract info 5) Sort the info 6) compare 7) Print out the result (different & same)

DIR_B1) Go in to DIR_B 2) choose the same type of file (e.g: _fast.txt and _slow.txt) 3) Sort files to make all the files between ".doc", "_fast.txt" and "_slow.txt" the same. (e.g: file1.doc = file1_fast.txt = file1_slow.txt) 3) Open the files one by one 4) Extract info 5) Sort the info 6) compare 7) Print out the result (different & same)